10-day forecast for Spion Kop, MT: 46° to 85°, with precipitation expected on 2 days. The table below breaks each day into morning, afternoon, evening and overnight.
85°
Best day: Monday, August 17
64° · 0.07 in
Worst day: Friday, August 14
Tap any day below to see morning, afternoon, evening and overnight.
Mon, 1083° / 46°0
Morning53°feels 50°
Afternoon77°feels 76°
Evening76°feels 75°
Overnight53°feels 50°
83 °
Spion Kop, Monday, 10 August
Clear. High 83°, low 46°.
Pressure29.83 inHg
Wind9.6 mph NW
Humidity20%
Visibility6.2 mi
Dew point37°
Tue, 1183° / 59°0
Morning66°feels 64°
Afternoon81°feels 79°
Evening74°feels 72°
Overnight63°feels 61°
83 °
Spion Kop, Tuesday, 11 August
Clear. High 83°, low 59°.
Pressure29.94 inHg
Wind11.8 mph NW
Humidity25%
Visibility6.2 mi
Dew point39°
Wed, 1283° / 57°0
Morning64°feels 62°
Afternoon81°feels 79°
Evening76°feels 75°
Overnight61°feels 59°
83 °
Spion Kop, Wednesday, 12 August
Overcast. High 83°, low 57°.
Pressure29.91 inHg
Wind6.4 mph NE
Humidity29%
Visibility6.2 mi
Dew point41°
Thu, 1382° / 59°0.03
Morning65°feels 63°
Afternoon77°feels 76°
Evening73°feels 72°
Overnight61°feels 60°
82 °
Spion Kop, Thursday, 13 August
Light rain. High 82°, low 59°.
Pressure29.80 inHg
Wind7.4 mph NW
Humidity36%
Visibility—
Dew point46°
Fri, 1464° / 53°0.07
Morning55°feels 54°
Afternoon60°feels 59°
Evening64°feels 62°
Overnight59°feels 58°
64 °
Spion Kop, Friday, 14 August
Light rain. High 64°, low 53°.
Pressure30.06 inHg
Wind8 mph W
Humidity74%
Visibility—
Dew point50°
Sat, 1583° / 52°0.07
Morning59°feels 58°
Afternoon76°feels 75°
Evening78°feels 76°
Overnight58°feels 58°
83 °
Spion Kop, Saturday, 15 August
Light rain. High 83°, low 52°.
Pressure30.03 inHg
Wind8.1 mph SE
Humidity41%
Visibility—
Dew point47°
Sun, 1683° / 60°0
Morning67°feels 65°
Afternoon82°feels 80°
Evening74°feels 73°
Overnight64°feels 63°
83 °
Spion Kop, Sunday, 16 August
Overcast. High 83°, low 60°.
Pressure29.88 inHg
Wind14.2 mph SW
Humidity26%
Visibility—
Dew point42°
Mon, 1785° / 60°0.01
Morning65°feels 64°
Afternoon81°feels 80°
Evening81°feels 78°
Overnight64°feels 63°
85 °
Spion Kop, Monday, 17 August
Light rain. High 85°, low 60°.
Pressure29.85 inHg
Wind16.8 mph W
Humidity29%
Visibility—
Dew point42°
Tue, 1880° / 58°0
Morning64°feels 63°
Afternoon80°feels 80°
Evening77°feels 76°
Overnight65°feels 63°
80 °
Spion Kop, Tuesday, 18 August
Overcast. High 80°, low 58°.
Pressure29.80 inHg
Wind21 mph W
Humidity24%
Visibility—
Dew point37°
About this forecast
How reliable is a 10-day forecast?
The first 3–5 days are the most reliable, typically within 2–4°. From day six to ten the models show the trend: the direction of change is right more often than the exact numbers.
What does the time-of-day table show?
Temperature in Spion Kop, MT around 8am, 2pm, 8pm and 2am each day — handy for planning a walk, a drive or work outdoors.
How is the best day chosen?
We weigh the daytime high against precipitation: a warm, dry day scores highest.